Pergola roof support structure



FIG. 1 is a front, elevation view of a new pergola roof support structure design.

FIG. 2 is a top, plan view of said pergola roof support structure design.

FIG. 3 is an enlarged partial, top, plan view of said pergola roof support structure design.

FIG. 4 is an enlarged partial, side, elevation view of said pergola roof support structure design.

FIG. 5 is an enlarged partial, front, elevation view of said pergola roof support structure design; and,

FIG. 6 is an enlarged partial, perspective view of said pergola roof support structure design.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pergola roof support structure design, as shown and described. 